a^smmmmmmem^sms 
UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 316 
Contribution from the Forest Service 
HENRY S. GRAVES, Forester 
Washington, D. C. 
PROFESSIONAL PAPER 
December 20, 1915 
WILLOWS: 
THEIR GROWTH, USE, AND IMPORTANCE 
By 
GEORGE N. LAMB, Forest Examiner 
CONTENTS 
Introduction 
The Tree and Its Forms 
Soil, Moisture, and Light .... 
Susceptibility to Injury 
Life History of the Black Willow . 
Characteristics of Willow Wood . . 
Uses of Willow Wood 27 
Page 
1 
2 
7 
7 
9 
26 
Page 
Uses of Willows for Protection .... 37 
Planting Willows 43 
Cultivation and Care 48 
Cutting 48 
Cost of Growing Willows 49 
Yield from WiUow Plantations .... 50 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1915 
